.page-privacy {
  --privacy-gap: clamp(1.6rem, 4vw, 3rem);
  --privacy-line: var(--line-light);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
}

/* 阅读进度细线 */
.page-privacy .privacy-progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 3px;
  z-index: 30;
  pointer-events: none;
  background: rgba(16, 18, 20, 0.1);
}
.page-privacy .privacy-progress__fill {
  display: block;
  height: 100%;
  width: calc(var(--progress, 0) * 100%);
  background: linear-gradient(90deg, var(--cinnabar), var(--orange));
  transition: width 120ms linear;
}

/* 首屏 */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(1.1rem, 4vw, 2rem) clamp(2rem, 6vw, 4rem);
  background:
    radial-gradient(92% 120% at 94% 0%, rgba(255, 90, 31, 0.18), transparent 62%),
    var(--coal);
  color: var(--mist);
}
.page-privacy .privacy-hero .crumbs {
  margin-bottom: clamp(1.2rem, 4vw, 2.2rem);
}
.page-privacy .privacy-hero .crumbs__link {
  color: var(--muted-dark);
}
.page-privacy .privacy-hero .crumbs__link:hover {
  color: var(--orange);
}
.page-privacy .privacy-hero .crumbs__current,
.page-privacy .privacy-hero .crumbs__sep {
  color: rgba(251, 248, 242, 0.5);
}

.page-privacy .privacy-hero__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.8rem);
}

.page-privacy .privacy-hero__intro .eyebrow {
  color: var(--orange);
}

.page-privacy .privacy-hero__title {
  margin: 0.55rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 8.5vw, 4.6rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-privacy .privacy-hero .lede {
  margin: 1rem 0 0;
  max-width: 48ch;
  font-size: clamp(0.98rem, 2vw, 1.08rem);
  line-height: 1.8;
  color: var(--muted-dark);
}

.page-privacy .privacy-hero__list {
  list-style: none;
  margin: clamp(1.1rem, 3vw, 1.6rem) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--muted-dark);
}
.page-privacy .privacy-hero__list li {
  position: relative;
  padding-left: 0.95rem;
}
.page-privacy .privacy-hero__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
}

.page-privacy .privacy-hero__figure {
  margin: 0;
}
.page-privacy .privacy-hero__figure .figure__frame {
  aspect-ratio: 12 / 5;
  overflow: hidden;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, var(--graphite-2), var(--coal));
}
.page-privacy .privacy-hero__figure .figure__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}
.page-privacy .privacy-hero__figure .figure__caption {
  margin: 0.7rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  line-height: 1.6;
  color: rgba(251, 248, 242, 0.45);
}

/* 长文区 */
.page-privacy .privacy-doc {
  padding-block: clamp(2rem, 6vw, 4rem);
}

.page-privacy .privacy-layout {
  display: grid;
  gap: var(--privacy-gap);
}

.page-privacy .privacy-index {
  padding-top: 0.9rem;
  border-top: 3px solid var(--ink);
}
.page-privacy .privacy-index__title {
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted-light);
}
.page-privacy .privacy-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.1rem;
}
.page-privacy .privacy-index__link {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding: 0.5rem 0.15rem;
  border-bottom: 1px solid var(--privacy-line);
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--ink);
  text-decoration: none;
  transition: color var(--speed) var(--ease), padding-left var(--speed) var(--ease);
}
.page-privacy .privacy-index__link:hover,
.page-privacy .privacy-index__link:focus-visible {
  color: var(--link-paper);
  padding-left: 0.5rem;
}
.page-privacy .privacy-index__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--link-paper);
}
.page-privacy .privacy-index__foot {
  margin: 1.1rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  line-height: 1.9;
  color: var(--muted-light);
}
.page-privacy .privacy-index__mono {
  color: var(--ink);
  word-break: break-all;
}

.page-privacy .privacy-body {
  max-width: 74ch;
}

.page-privacy .privacy-chapter {
  padding-block: clamp(1.5rem, 4vw, 2.5rem);
  border-top: 1px solid var(--privacy-line);
  scroll-margin-top: 1.4rem;
}
.page-privacy .privacy-chapter:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-privacy .privacy-chapter__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.85rem;
  align-items: center;
  margin-bottom: 1.1rem;
}
.page-privacy .privacy-chapter__num {
  display: inline-block;
  padding: 0.3rem 0.5rem;
  border-radius: var(--radius-s);
  background: var(--coal);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  line-height: 1.1;
}
.page-privacy .privacy-chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 3.6vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-privacy .privacy-body p {
  margin: 0 0 1rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink);
}
.page-privacy .privacy-body p:last-child {
  margin-bottom: 0;
}
.page-privacy .privacy-body a {
  color: var(--link-paper);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.page-privacy .privacy-body a:hover {
  color: var(--orange);
}

.page-privacy .privacy-defs {
  display: grid;
  gap: 0.85rem;
  margin: 0 0 1.1rem;
}
.page-privacy .privacy-defs__row {
  padding-left: 0.9rem;
  border-left: 3px solid var(--paper-2);
}
.page-privacy .privacy-defs__term {
  margin: 0 0 0.15rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--link-paper);
}
.page-privacy .privacy-defs__desc {
  margin: 0;
  font-size: 0.97rem;
  line-height: 1.8;
  color: var(--ink);
}

.page-privacy .privacy-list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}
.page-privacy .privacy-list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: 0.97rem;
  line-height: 1.8;
}
.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 0.62rem;
  height: 2px;
  background: var(--orange);
}
.page-privacy .privacy-list--lead li strong {
  font-weight: 600;
  color: var(--link-paper);
}

.page-privacy .privacy-fold {
  margin-top: 1.2rem;
  border: 1px solid var(--privacy-line);
  border-radius: var(--radius-m);
  background: var(--mist);
  overflow: hidden;
}
.page-privacy .privacy-fold__summary {
  padding: 0.85rem 1.1rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.07em;
  color: var(--link-paper);
  transition: background var(--speed) var(--ease);
}
.page-privacy .privacy-fold__summary::-webkit-details-marker {
  display: none;
}
.page-privacy .privacy-fold__summary::before {
  content: "＋";
  margin-right: 0.55rem;
  color: var(--orange);
}
.page-privacy .privacy-fold[open] .privacy-fold__summary::before {
  content: "－";
}
.page-privacy .privacy-fold__summary:hover {
  background: rgba(255, 90, 31, 0.08);
}
.page-privacy .privacy-fold__body {
  padding: 0 1.1rem 1rem;
}
.page-privacy .privacy-fold__body .privacy-list {
  margin-bottom: 0;
}

.page-privacy .privacy-note {
  margin: 0 0 1rem;
  padding: 0.8rem 1rem;
  border-left: 3px solid var(--data-teal);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  background: rgba(79, 179, 169, 0.09);
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--ink);
}

/* 联系面板 */
.page-privacy .privacy-contact-panel {
  margin-top: 1.4rem;
  padding: clamp(1.1rem, 3vw, 1.8rem);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, var(--graphite-2), var(--coal) 75%);
  color: var(--mist);
}
.page-privacy .privacy-contact__grid {
  display: grid;
  gap: 1rem;
}
.page-privacy .privacy-contact__row {
  display: grid;
  gap: 0.25rem;
}
.page-privacy .privacy-contact__label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(251, 248, 242, 0.5);
}
.page-privacy .privacy-contact__value {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--mist);
  overflow-wrap: anywhere;
}
.page-privacy .privacy-contact__tip {
  margin: 1.2rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line-dark);
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--muted-dark);
}

/* 断点 */
@media (min-width: 720px) {
  .page-privacy .privacy-contact__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.1rem 1.6rem;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(196px, 248px) minmax(0, 1fr);
    align-items: start;
    gap: clamp(2rem, 4vw, 3.4rem);
  }
  .page-privacy .privacy-index {
    position: sticky;
    top: 1.5rem;
  }
  .page-privacy .privacy-chapter {
    padding-block: clamp(1.8rem, 3vw, 2.6rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-progress__fill,
  .page-privacy .privacy-index__link,
  .page-privacy .privacy-fold__summary {
    transition: none;
  }
}
<<<END>>>

.page-privacy {
  --progress: 1rem;
}